Twelve Months Of Coil Pack Research

[BFHOON]

I dont know if they are still in buisness but jacobs electronics used to make multi coil packs with a discharge box and electronic coil managment.

I had one of there setups on my old blown au falcon and it would throw a spark 6 inches long.

[stealthxr]

Coil packs fail because of heat guys not power, keep em cool and they will last, same as big capacitors, basically all electronic gear will fail at some time if it overheats, ie your computer , these days it not uncommon for most pc's to have a few fans in them to keep em cool..

if you figure out how to suck the hot air out from that badly designed garnish they will last a sh*t load longer..

pete

Edited 12/10/09 01:52 PM by stealthxr

[kirjo]

Interested of course. By the way, how do you know if your coil packs are screwed or not as good as they should be?

[dule]

If heat is the cause for failure it makes sense why they are failing quicker on higher powered cars. Although that garnish is a heat trap there isn't much that can be done without dealing with general heat under the bonnet, I've noticed that mine runs a little cooler and cools down quicker when turned off after removing the rubber seal under the bonnet, don't think it's anything significant but noticeable (unless it's all in my head).

[F6BF]

Im still running standard coils also, have clocked up 90,000km with 350 to 400rwkw

[kevo]

how do you know if coilpacks are fuct? Loss of power and misfiring in higher RPM?

I may be in the same situation as others as im on 330+ on original coil packs..... is that ok ??

[Headsex]

Ive had 1 coil pack fail. not power related, but heat.

Ex gf's NA XR6 also spat a coil pack.

[straughsberry]

Fully sick ebay ignition coils right here

I've seen these and have tried them out. I'll most likely use these these on my build . They are definitely crisp and seem to burn every last drop of fuel but I don't know if we will see any benefit on lower power vehicles. I will be doing a back to back test of normal coil packs and these on one of my tunes on the big banger engine.

I dont know if they are still in buisness but jacobs electronics used to make multi coil packs with a discharge box and electronic coil managment.

I had one of there setups on my old blown au falcon and it would throw a spark 6 inches long.

Thanks. Will definitely look into this. I've actually started making a remote mount in an effort to get these coil packs away from the heat. See how it goes.

Interested of course. By the way, how do you know if your coil packs are screwed or not as good as they should be?

Depending on the coil pack, I either noticed a misfire in higher rev range and under heavy throttle and/or the car was generally running richer (you could smell it) and power would not come on as hard under heavy throttle. also, the exhaust/engine note sounded generally "fluffier" if you know what I mean. As I said, these coil packs that I'm proposing as a decent and cheap alternative to genuines, still don't actually break down or misfire but they don't seem to have the spark energy as heavier throttle is a little fluffy and seat of pants tells me it's not going as hard. In the end, power will actually be down and a dyno run should back that up. I remember when I fitted a converter and got a retune with new coil packs, I picked up 25 odd rwkw. I'm not saying it was just coil packs that made this extra power but I think some of it would have been. At some point, I will get dyno logged proof of how much of a difference (if any) a failing coil packs can make.

If heat is the cause for failure it makes sense why they are failing quicker on higher powered cars. Although that garnish is a heat trap there isn't much that can be done without dealing with general heat under the bonnet, I've noticed that mine runs a little cooler and cools down quicker when turned off after removing the rubber seal under the bonnet, don't think it's anything significant but noticeable (unless it's all in my head).

Definitely. That's what I've found for sure. More power = more heat = less lifetime for many components. Let's see if this remote mount I'm making helps. I'm sure it will.

[Headsex]

I've seen these and have tried them out. I'll most likely use these these on my build . They are definitely crisp and seem to burn every last drop of fuel but I don't know if we will see any benefit on lower power vehicles. I will be doing a back to back test of normal coil packs and these on one of my tunes on the big banger engine.

Once the mixture is lit, the extra energy from a coil is pointless.

[turbotrana]

I used to believe the old saying "once its lit, its lit" but after experimentation found that its not strictly true.

There is a point of diminishing returns but the bigger the spark, the better. You don't notice it so much running richer mixtures under load but you do notice the benefit of a stronger/longer spark under light load and lean mixtures.

So I certainly believe the poster who said it felt crisper with new coils.